package thinkingInJava.typeinfo.Proxy.NullClass_;

//: typeinfo/Robot.java
import java.util.*;

public interface Robot {
String name();
String model();
List<Operation> operations();
class Test {
  public static void test(Robot r) {
    if(r instanceof Null)
      System.out.println("[Null Robot]");
    System.out.println("Robot name: " + r.name());
    System.out.println("Robot model: " + r.model());
    for(Operation operation : r.operations()) {
      System.out.println(operation.description());
      operation.command();
    }
  }
}
} ///:~

